1 Samuel 30:9 WEB

⁷  David said to Abiathar the priest, the son of Ahimelech, Please bring me here the ephod. Abiathar brought there the ephod to David.

⁸  David inquired of Yahweh, saying, If I pursue after this troop, shall I overtake them? He answered him, Pursue; for you shall surely overtake [them], and shall without fail recover [all].

⁹  So David went, he and the six hundred men who were with him, and came to the brook Besor, where those who were left behind stayed.

¹⁰  But David pursued, he and four hundred men; for two hundred stayed behind, who were so faint that they couldn't go over the brook Besor.

¹¹  They found an Egyptian in the field, and brought him to David, and gave him bread, and he ate; and they gave him water to drink.